Nu2 Canis Majoris b

Nu² Canis Majoris b, (7 CMa b) is a water cloud jovian extrasolar planet orbiting the star Nu² Canis Majoris, approximately 64.71 light years away in the constellation of Canis Major. It was discovered in 2011 by Wittenmyer, R. by radial velocity.^[1]

Nu² Canis Majoris b

Artist's impression
Discovery
Discovered by	Wittenmyer, Robert A
Discovery date	December 2011
Detection method	Radial Velocity
Orbital characteristics
Semi-major axis	1.9 ± 0.1 AU (284,000,000 ± 15,000,000 km)
Eccentricity	0.14 ± 0.06
Orbital period (sidereal)	763 ± 17 d
Time of periastron	2455520 ± 89
Argument of periastron	12 ± 41
Star	Nu2 Canis Majoris